Measurement - Circles and Sectors Flashcards by cbVFudgdb dIFDPF

Q

how to find the circumference of a circle?

A

π x diameter

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Q

how to find the area of a cirlce?

A

πR²

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Q

how to find the area of a quadrant?

A

πR²/ 4

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Q

how to find the perimeter of a quadrant?

A

π x diameter/ 4 + diameter

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Q

how to find the area of a semi circle?

A

πR²/ 2

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Q

how to find the perimeter of a semi circle?

A

π x diameter/ 2 + diameter

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Q

how to find perimeter of a sector?

A

the angle inside of the sector/ 360 x π x 4

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Q

how to find the area of a sector?

A

the angle inside of the sector/ 360 x π x R²

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